High intension Hot Rolled Hexagonal Steel Bar Hollow Drill Rod hex 22mm 28mm

High intension Hot Rolled Hexagonal Steel Bar Hollow Drill Rod hex 22mm 28mm

High intension and toughness of hex 28mm used for Perforated Hexagonal Hollow Steel Tubes Pipe & Hexagonal Drilling rod

High intension and toughness hex 22mm hex 28mm used for Perforated Hexagonal Hollow Steel Tubes Pipes & Hexagonal Drill Rod 


Products details: 

A type of steel specially used in drill rod in quarry drilling, high intension and toughness.   

Material:

95CrMo (same as SANDBAR 20 or C253)

Specifications: 

Hexagon and round

Size: hex. 22mm, hex. 25mm, hex. 28mm, hex. 32mm, hex. 38mm,

Round: Dia.32mm, 35mm, 38mm, 51mm  

Length: any length according to your require.   

Package: Wrapped with plastic knitting and then into bundles.
 

The main size and specifications as below:  

Hot Rolled Hexagonal Hollow Drill Steel Bar    

Steel Grade: 95CrMo as per Chinese Standard with following chemistry:   

C: 0.92-1.03PCT;     Si: 0.25-0.45PCT;  

Mn: 0.25-0.45PCT;    Cr: 0.80-1.20PCT;

Ni: 0.25PCT MAX.;    Mo: 0.20-0.30PCT;

S,P: 0.025PCT MAX;  Cu: 0.30PCT MAX.

 

Features: 

Physical Specification

σb                    1320Mpa

δs                     9%

Ψ                      25.5%

σ-1                    350Mpa

Hardness:  36-48HRC.